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  1. #1
    Petty Officer 3rd Class m_sherman211's Avatar
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    Default What weight of oil should I use?

    What kind of oil should I use in my boat? Its a Liberator with a chevy 350.
    I've been told to use sae30 and 25w40.
    I have no clue on what weight and brand. Any suggestions on what works best?

  2. #2
    Moderator Bondo's Avatar
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    Default Re: What weight of oil should I use?

    Quote Originally Posted by m_sherman211 View Post
    What kind of oil should I use in my boat? Its a Liberator with a chevy 350.
    I've been told to use sae30 and 25w40.
    I have no clue on what weight and brand. Any suggestions on what works best?
    Ayuh,... Do a search for Oil,... You can run ANY Oil ya whata run, Period....

    I run Mobil 1, 15W-50...
    Any Grease is Better,..... Than No Grease at All.......

  3. #3
    Rear Admiral Howard Sterndrive's Avatar
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    Default Re: What weight of oil should I use?

    Quote Originally Posted by m_sherman211 View Post
    I've been told to use sae30 and 25w40.
    I have no clue on what weight
    that is the weight
    30 and 25W40 refer to SAE grades, i.e. weight, and either of those is fine for 3 seasons boating

  4. #4
    Lieutenant Commander Alpheus's Avatar
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    Default Re: What weight of oil should I use?

    No,No,No!!!

    You must run exactly what the manufacture says to use. If you do not pay for the high dollar oil that the manufacture says to use, your engine will seize up as soon as you turn the key. You have been warned...
    Last edited by Don S; April 25th, 2011 at 01:43 PM.


    1969 StarCraft Chieftain, 4.3 Mercruiser Alpha One Gen II

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